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Programming 2026-09-04

Year 2038: When the Unix Timestamp Breaks in PHP

A precise look at the Year 2038 problem: why Unix Timestamps overflow, PHP versions and 32/64-bit builds, and safe date storage patterns in MySQL.

PHP Unix Timestamp Year 2038 32-bit DateTimeImmutable MySQL

~15 min █

cat year-2038-problem-php-unix-timestamp.md

Programming 2026-09-04

How Did Al-Khwarizmi Turn Equations Into Algorithms? Implementing His Method in Python

A historical and practical narrative of al-Khwarizmi's method for solving equations; from al-jabr and al-muqabala to completing the square, turned into a runnable Python algorithm.

Al-Khwarizmi History of Science Algorithm Algebra Quadratic Equation Python

~20 min █

cat al-khwarizmi-equations-algorithm-python.md

Programming 2026-08-30

How to Build a Small Programming Language: From a Few Characters to Code That Actually Runs

Building a small but real programming language from scratch: variables, arithmetic, conditionals, loops, and error handling. Implementing the Lexer, Parser, AST, and Interpreter in Python and actually running a factorial program.

Programming Languages Interpreter Lexer Parser AST Python

~25 min █

cat build-a-small-programming-language.md